PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-06:57:30
G08     295.8          21.9                6.9 +/-    1.66      14.6 +/-    1.66  0.060 / 0.090
G10     6.3            63.0                4.0 +/-    0.98       4.4 +/-    0.98  0.080 / 0.100
G14     229.2          41.7                8.8 +/-    1.57      12.5 +/-    1.57  0.040 / 0.080
G20     76.6           40.9                4.7 +/-    0.93       6.8 +/-    0.93  0.050 / 0.060
G21     146.4          41.3                6.1 +/-    1.36       8.7 +/-    1.36  0.060 / 0.090
G24     56.1           25.5                4.6 +/-    2.81       9.0 +/-    2.81  0.140 / 0.110
G27     254.4          31.8                7.6 +/-    3.08      12.9 +/-    3.08  0.110 / 0.170
G32     247.1          69.4                6.6 +/-    0.55       7.0 +/-    0.55  0.100 / 0.160